2-Amino-5-methylpyridinium dibromoiodate
Identifieur interne : 002290 ( Main/Exploration ); précédent : 002289; suivant : 0022912-Amino-5-methylpyridinium dibromoiodate
Auteurs : Salim F. Haddad [Jordanie] ; Basem F. Ali [Jordanie] ; Rawhi Al-Far [Jordanie]Source :
- Acta Crystallographica Section E: Structure Reports Online [ 1600-5368 ] ; 2012.
Abstract
In the title salt, C6H9N2+·Br2I−, the cation is essentially planar (r.m.s. deviation = 0.0062 Å for the non-H atoms) while the anion is almost linear with a Br—I—Br angle of 177.67 (2)°. The crystal packing shows two anions and two cations connected
Url:
DOI: 10.1107/S1600536812036136
PubMed: 22969663
PubMed Central: 3435817
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en"><p>In the title salt, C<sub>6</sub>
H<sub>9</sub>
N<sub>2</sub>
<sup>+</sup>
·Br<sub>2</sub>
I<sup>−</sup>
, the cation is essentially planar (r.m.s. deviation = 0.0062 Å for the non-H atoms) while the anion is almost linear with a Br—I—Br angle of 177.67 (2)°. The crystal packing shows two anions and two cations connected <italic>via</italic>
N—H⋯Br and (pyridine)N—H⋯Br hydrogen-bonding interactions, forming centrosymmetric tetramers with <italic>R<sub>4</sub>
<sup>4</sup>
</italic>
(16) ring motifs. Very weak offset aromatic π–π stacking interactions [centroid-centroid separation = 4.038 (4), slippage = 1.773 Å] also occur.</p>
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